asfgit closed pull request #23222: [SPARK-20636] Add the rule TransposeWindow
to the optimization batch
URL: https://github.com/apache/spark/pull/23222
This is a PR merged from a forked repository.
As GitHub hides the original diff on merge, it is displayed below for
the sake of provenance:
As this is a foreign pull request (from a fork), the diff is supplied
below (as it won't show otherwise due to GitHub magic):
diff --git
a/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/optimizer/Optimizer.scala
b/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/optimizer/Optimizer.scala
index f615757a837a1..3eb6bca6ec976 100644
---
a/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/optimizer/Optimizer.scala
+++
b/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/optimizer/Optimizer.scala
@@ -73,6 +73,7 @@ abstract class Optimizer(sessionCatalog: SessionCatalog)
CombineLimits,
CombineUnions,
// Constant folding and strength reduction
+ TransposeWindow,
NullPropagation,
ConstantPropagation,
FoldablePropagation,
diff --git
a/sql/core/src/test/scala/org/apache/spark/sql/DataFrameWindowFunctionsSuite.scala
b/sql/core/src/test/scala/org/apache/spark/sql/DataFrameWindowFunctionsSuite.scala
index 9a5d5a9966ab7..9277dc6859247 100644
---
a/sql/core/src/test/scala/org/apache/spark/sql/DataFrameWindowFunctionsSuite.scala
+++
b/sql/core/src/test/scala/org/apache/spark/sql/DataFrameWindowFunctionsSuite.scala
@@ -20,6 +20,8 @@ package org.apache.spark.sql
import org.scalatest.Matchers.the
import org.apache.spark.TestUtils.{assertNotSpilled, assertSpilled}
+import org.apache.spark.sql.catalyst.optimizer.TransposeWindow
+import org.apache.spark.sql.execution.exchange.Exchange
import org.apache.spark.sql.expressions.{MutableAggregationBuffer,
UserDefinedAggregateFunction, Window}
import org.apache.spark.sql.functions._
import org.apache.spark.sql.internal.SQLConf
@@ -668,18 +670,30 @@ class DataFrameWindowFunctionsSuite extends QueryTest
with SharedSQLContext {
("S2", "P2", 300)
).toDF("sno", "pno", "qty")
- val w1 = Window.partitionBy("sno")
- val w2 = Window.partitionBy("sno", "pno")
-
- checkAnswer(
- df.select($"sno", $"pno", $"qty",
sum($"qty").over(w2).alias("sum_qty_2"))
- .select($"sno", $"pno", $"qty", col("sum_qty_2"),
sum("qty").over(w1).alias("sum_qty_1")),
- Seq(
- Row("S1", "P1", 100, 800, 800),
- Row("S1", "P1", 700, 800, 800),
- Row("S2", "P1", 200, 200, 500),
- Row("S2", "P2", 300, 300, 500)))
-
+ Seq(true, false).foreach { transposeWindowEnabled =>
+ val excludedRules = if (transposeWindowEnabled) "" else
TransposeWindow.ruleName
+ withSQLConf(SQLConf.OPTIMIZER_EXCLUDED_RULES.key -> excludedRules) {
+ val w1 = Window.partitionBy("sno")
+ val w2 = Window.partitionBy("sno", "pno")
+
+ val select = df.select($"sno", $"pno", $"qty",
sum($"qty").over(w2).alias("sum_qty_2"))
+ .select($"sno", $"pno", $"qty", col("sum_qty_2"),
sum("qty").over(w1).alias("sum_qty_1"))
+
+ val expectedNumExchanges = if (transposeWindowEnabled) 1 else 2
+ val actualNumExchanges = select.queryExecution.executedPlan.collect {
+ case e: Exchange => e
+ }.length
+ assert(actualNumExchanges == expectedNumExchanges)
+
+ checkAnswer(
+ select,
+ Seq(
+ Row("S1", "P1", 100, 800, 800),
+ Row("S1", "P1", 700, 800, 800),
+ Row("S2", "P1", 200, 200, 500),
+ Row("S2", "P2", 300, 300, 500)))
+ }
+ }
}
test("NaN and -0.0 in window partition keys") {
----------------------------------------------------------------
This is an automated message from the Apache Git Service.
To respond to the message, please log on GitHub and use the
URL above to go to the specific comment.
For queries about this service, please contact Infrastructure at:
[email protected]
With regards,
Apache Git Services
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
